12270023 has 4 divisors (see below), whose sum is σ = 12278448. Its totient is φ = 12261600.

The previous prime is 12269989. The next prime is 12270047. The reversal of 12270023 is 32007221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32007221 = 31 ⋅1032491.

It is a cyclic number.

It is not a de Polignac number, because 12270023 - 2¹⁰ = 12268999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12269983 and 12270010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (3069612).

Almost surely, 2^12270023 is an apocalyptic number.

12270023 is a deficient number, since it is larger than the sum of its proper divisors (8425).

12270023 is an equidigital number, since it uses as much as digits as its factorization.

12270023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12270023 is about 3502.8592606612. The cubic root of 12270023 is about 230.6473445545.

Adding to 12270023 its reverse (32007221), we get a palindrome (44277244).

The spelling of 12270023 in words is "twelve million, two hundred seventy thousand, twenty-three".